Apply patch.diff from Rafael
Apply patch.diff from Rafael

- sku object should be one level up
- sku.capacity definition should be integer
- imageReference definition should accept expressions as well
- networkInterfaceConfiguration should have one additional properties
entry
- extensionsProfile removed as required field
One last warning on the sku.capacity remains, but it can't be solved
without
editing root deploymentTemplate.json file

Azure/azure-resource-manager-schemas,Azure/azure-resource-manager-schemas,waynekuo/azure-resource-manager-schemas,EvgenyAgafonchikov/azure-resource-manager-schemas,Azure/azure-resource-manager-schemas,Azure/azure-resource-manager-schemas